4C 25.21 , the SIMBAD biblio

4C 25.21 , the SIMBAD biblio (76 results) C.D.S. - SIMBAD4 rel 1.8 - 2026.10.16CEST07:43:18

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Bibcode/DOI Score in Title|Abstract|
Keywords 		in a table in teXt, Caption, ... Nb occurence Nb objects in ref Citations
(from ADS) 		Title First 3 Authors
1967AJ.....72..738O 492 52 Accurate positions of selected 4C sources. OLSEN E.T.
1969AJ.....74..833H 199 10 Declination measurements of selected 4C sources using the Arecibo 1000-ft reflector. HAZARD C., JAUNCEY D.L., GULKIS S., et al.
1970AJ.....75..148W 326 14 A survey of the sky at 610.5 MHz. III. The region between +22 and +27 degrees. WENDKER H.J., DICKEL J.R. and YANG K.S.
1970AJ.....75..764O 487 125 Optical identification of radio sources selected from the 4C catalogue. OLSEN E.T.
1970AJ.....75.1039H 73 35 The identification of 4C sources usung the 4C right ascensions and Arecibo declinations. HAZARD C., JAUNCEY D.L. and BACKER D.C.
1972A&AS....7....1C viz 366 161 The B2 catalogue of radio sources - second part. COLLA G., FANTI C., FANTI R., et al.
1973PASP...85..162A 347 6 A list of quasi-stellar radio sources and quasi-stellar radio-source candidates from the 3C and 4C catalogs between declination -7 deg and +40 deg. AGNEW D. and ARP H.
1974ApJ...193..505S 45 44 Optical spectra and redshifts of 4C quasi-stellar radio sources. SCHMIDT M.
1975AJ.....80..335S 1092 38 Positions and flux densities of 1075 radio sources at 365 MHz. SHARP J.R. and BASH F.N.
1975MmRAS..80..105R 32 164 Observations of 31 extragalactic radio sources with the Cambridge 5-km telescope at 5 GHz. RILEY J.M. and POOLEY G.G.
1975MmSAI..46..461B 493 7 Catalogue of quasi-stellar-objects. BARBIERI C., CAPACCIOLI M. and ZAMBON M.
1976AJ.....81..574P 412 12 Radio two-color diagram for QSOs, spiral galaxies, and BL Lac objets. PACHT E.
1977MNRAS.179..719S 103 43 A comparative study of the properties of 3CR and 4C quasars. STANNARD D. and NEAL D.S.
1978MNRAS.182..127H 57 43 The angular diameter-redshift test for quasi-stellar radio sources with large redshifts. HOOLEY A., LONGAIR M.S. and RILEY J.M.
1978MNRAS.184..559W 21 17 Improved optical positions of objects associated with extended radio sources. WILLS D.
1979A&AS...36..331V 425 8 A study of the 4C catalogue of radio sources between declinations 20 and 40 degres. I. 318 MHz flux density measurements. VERON M.P. and VERON P.
1979AJ.....84..707P 71 66 Radio structures of a complete sample of quasars from the 4C catalog. POTASH R.I. and WARDLE J.F.C.
1981ApJS...46..239S 266 23 Linear polarization of extragalactic radio sources at 3.71 and 11.1 centimeters. SIMARD-NORMANDIN M., KRONBERG P.P. and BUTTON S.
1983A&A...126...16B 20 11 A VLBI search for compact components in extended high redshift quasars. BARTHEL P.D.
1983AJ.....88..709H 343 145 Are wide-angle radio-tail QSOs members of clusters of galaxies ? I. VLA maps at 20 cm of 117 radio quasars. HINTZEN P., ULVESTAD J. and OWEN F.
1986AJ.....91..354Y 661 25 On optical studies of high-velocity clouds. YORK D.G., BURKS G.S. and GIBNEY T.B.
1986ApJ...308..815N 180 180 Quasars measured by the Infrared Astronomical Satellite. NEUGEBAUER G., MILEY G.K., SOIFER B.T., et al.
1987AJ.....94.1487L 9 15 Radio sources with strong jets and weak cores. LONSDALE C.J. and BARTHEL P.D.
1988A&AS...73..515B 110 80 Observations of the large scale radio structure in high redshift quasars. BARTHEL P.D., MILEY G.K., SCHILIZZI R.T., et al.
1988ApJ...332...96L 130 36 An investigation of Lyman-limit absorption in QSO spectra: indirect evidence for evolution of the multicomponent nature of the absorbers. LANZETTA K.M.
1988MNRAS.233...87S 462 50 Cosmic evolution of the physical sizes of extragalactic radio sources and their luminosity-size correlation. SINGAL A.K.
1988MNRAS.233..801O 104 92 The ultraviolet continuum of quasars -I. The shape of the continuum, continuum reddening and intervening absorption. O'BRIEN P.T., GONDHALEKAR P.M. and WILSON R.
1988Natur.333..319B 129 154 Evolution of radio structure in quasars : a new probe of protogalaxies ? BARTHEL P.D. and MILEY G.K.
1989ApJS...69....1H 1594 191 The first addition to the new optical catalog of quasi-stellar objects. HEWITT A. and BURBIDGE G.
1990A&AS...82..339B 67 96 Optical spectra of distant radio loud quasars. I. Data: spectra of 67 quasars. BARTHEL P.D., TYTLER D.R. and THOMSON B.
1990AJ....100.1441N 58 50 Evolution of radio quasars from redshift 0.6-3.7 NEFF S.G. and HUTCHINGS J.B.
1991ApJ...370...78H 1 19 151 Spatially resolved optical images of high-redshift quasi-stellar objects. HECKMAN T.M., LEHNERT M.D., VAN BREUGEL W., et al.
1991ApJS...77..203J viz 633 60 A catalog of absorption in the spectra of quasi-stellar objects. JUNKKARINEN V., HEWITT A. and BURBIDGE G.
1992A&AS...95..249L 233 10 A finding list of extragalactic radio jets and statistical results. LIU F.K. and XIE G.Z.
1992ApJ...393...68L 1 13 63 Multicolor images of spatially resolved structures around high-redshift quasars. LEHNERT M.D., HECKMAN T.M., CHAMBERS K.C., et al.
1992ApJS...79....1T 161 256 Systematic QSO emission-line velocity shifts and new unbiased redshifts. TYTLER D. and FAN X.-M.
1993ApJ...413..453N viz 541 81 On the redshift-apparent size diagram of double radio sources. NILSSON K., VALTONEN M.J., KOTILAINEN J., et al.
1993ApJS...87...63L 198 59 The radio properties of high-redshift quasars. I. Dual-frequency observations of 79 steep-spectrum quasars at z>1.5. LONSDALE C.J., BARTHEL P.D. and MILEY G.K.
1993ApJS...87..451H viz 14       D               7278 328 A revised and updated catalog of quasi-stellar objects. HEWITT A. and BURBIDGE G.
1993AcApS..13..125L 228 1 Studies of CIV associated absorption systems of QSOs (I) Samples. LI Y. and CHEN J.-S.
1993ChA&A..17..161L 226 0 Studies of CIV associated absorption systems of QSOs. (I) Samples. LI Y. and CHEN J.-S.
1995AuJPh..48..143S viz 2209 69 Radio sources observed with the Culgoora circular array. SLEE O.B.
1998A&AS..132...31N viz 613 24 Kinematical models of double radio sources and the unified scheme. II. The database. NILSSON K.
1999AJ....118.1435W viz 382 10 A study of quasar radio emission from the VLA FIRST survey. WADADEKAR Y. and KEMBHAVI A.
2001AJ....121.2843B viz 6250 77 Quasars in the 2MASS second incremental data release. BARKHOUSE W.A. and HALL P.B.
2002A&A...381..757L viz 494 57 A new list of extra-galactic radio jets. LIU F.K. and ZHANG Y.H.
2003A&A...412...45P viz 15       D               1 956189 750 HYPERLEDA. I. Identification and designation of galaxies. PATUREL G., PETIT C., PRUGNIEL P., et al.
2003A&A...412..707R viz 829 11 A catalogue of absorption-line systems in QSO spectra. RYABINKOV A.I., KAMINKER A.D. and VARSHALOVICH D.A.
2003ApJ...599..116V viz 117 47 Occurrence and global properties of narrow C IV λ1549 Å absorption lines in moderate-redshift quasars. VESTERGAARD M.
2006A&A...455..773V viz 108223 628 A catalogue of quasars and active nuclei: 12th edition. VERON-CETTY M.-P. and VERON P.
1973A&AS...11...41G 451 33 On the spectral index distribution of radio sources selected from the B2 sky survey. GRUEFF G. and VIGOTTI M.
2007MNRAS.375..705H 63 24 Giant Lyα nebulae around z > 2 radio galaxies: evidence for infall. HUMPHREY A., VILLAR-MARTIN M., FOSBURY R., et al.
2007MNRAS.374L..10P 10 13 Kinetically dominated FRII radio sources. PUNSLY B.
2009A&A...505..385A viz 15       D               1 99836 35 The large quasar reference frame (LQRF). An optical representation of the ICRS. ANDREI A.H., SOUCHAY J., ZACHARIAS N., et al.
2010A&A...511A..53V viz 15       D               1 107473 39 The SPECFIND V2.0 catalogue of radio cross-identifications and spectra. SPECFIND meets the Virtual Observatory. VOLLMER B., GASSMANN B., DERRIERE S., et al.
2010A&A...518A..10V viz 15       D               1 168913 597 A catalogue of quasars and active nuclei: 13th edition. VERON-CETTY M.-P. and VERON P.
2011RAA....11.1413F 38           X         1 28 14 The relationship between the radio core dominance parameter and the spectral index in different classes of extragalactic radio sources. FAN J.-H., YANG J.-H., PAN J., et al.
2014A&A...563A..54P viz 15       D               1 168926 217 The Sloan Digital Sky Survey quasar catalog: tenth data release. PARIS I., PETITJEAN P., AUBOURG E., et al.
2014AstL...40..161I 15 1 Investigation of the radio emission from active galactic nuclei: Determining the spin of a supermassive black hole. IPATOV A.V., KHARINOV M.A., MARDYSHKIN V.V., et al.
2014ApJS..212...15F viz 15       D               1 24788 60 A broadband polarization catalog of extragalactic radio sources. FARNES J.S., GAENSLER B.M. and CARRETTI E.
2014MNRAS.442.3329X viz 15       D               1 2466 20 Redshift evolution of extragalactic rotation measures. XU J. and HAN J.L.
2015ApJ...813...66S 258   K A     X C       6 1 2 Detecting unspecified structure in low-count images. STEIN N.M., VAN DYK D.A., KASHYAP V.L., et al.
2016ApJ...833..123M 330       D     X C       8 13 11 Detecting relativistic X-ray jets in high-redshift quasars. McKEOUGH K., SIEMIGINOWSKA A., CHEUNG C.C., et al.
2017A&A...597A..79P viz 16       D               1 302147 367 The Sloan Digital Sky Survey Quasar Catalog: Twelfth data release. PARIS I., PETITJEAN P., ROSS N.P., et al.
2018MNRAS.476.4872M 16       D               1 46 3 Criteria for retrograde rotation of accreting black holes. MIKHAILOV A.G., PIOTROVICH M.Y., GNEDIN Y.N., et al.
2018A&A...613A..51P viz 16       D               2 525784 350 The Sloan Digital Sky Survey Quasar Catalog: Fourteenth data release. PARIS I., PETITJEAN P., AUBOURG E., et al.
2019MNRAS.484.1021O viz 16       D               1 2523 ~ The redshift distribution of infrared-faint radio sources. ORENSTEIN B.J., COLLIER J.D. and NORRIS R.P.
2019ApJ...887..196F viz 16       D               1 177 60 The REQUIEM survey. I. A search for extended Lyα nebular emission around 31 z > 5.7 quasars. FARINA E.P., ARRIGONI-BATTAIA F., COSTA T., et al.
2020ApJ...888...85F viz 16       D               1 145239 ~ Ghostly strong Lyα absorbers: tracers of gas flows in the close vicinity of quasars? FATHIVAVSARI H.
2020MNRAS.496..245Z viz 16       D               1 736 34 The Lx-Luv-Lradio relation and corona-disc-jet connection in optically selected radio-loud quasars. ZHU S.F., BRANDT W.N., LUO B., et al.
2020ApJS..249...17R viz 16       D               1 525797 112 Spectral properties of quasars from Sloan Digital Sky Survey data release 14: the catalog. RAKSHIT S., STALIN C.S. and KOTILAINEN J.
2020ApJS..250....8L viz 16       D               1 750061 219 The Sloan Digital Sky Survey quasar catalog: Sixteenth Data Release. LYKE B.W., HIGLEY A.N., McLANE J.N., et al.
2021ApJS..253...37R 435       D     X         11 77 5 X-ray-to-radio offset inference from low-count X-ray jets. REDDY K., GEORGANOPOULOS M. and MEYER E.T.
2021A&A...655A..17S viz 17       D               1 338578 3 The SPECFIND V3.0 catalog of radio continuum cross-identifications and spectra: Reaching lower frequencies. STEIN Y., VOLLMER B., BOCH T., et al.
2022MNRAS.515.1358H viz 17       D               1 511 ~ A cosmological distance measure using radio-loud quasars. HUANG L. and CHANG Z.X.
2023ApJS..265....8R viz 17       D               1 206 1 Offsets between X-Ray and Radio Components in X-Ray Jets: The AtlasX. REDDY K., GEORGANOPOULOS M., MEYER E.T., et al.

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